Wright 14909 Impact Extension, 10" Long, 1/2" Drive (Pin),Wright Tool,14909" /> Wright Drive takes full advantage of advanced CAD/CAM technology Improved torque load capabilities of every fastener Stress is distributed over a much larger area Leverage is improved, eliminating rounding and increasing strength Tool-to-fastener contact area is ten times greater than with a conventional design 1/2-Inch drive 10-Inch pin lock Black Easy to use Meets or exceeds ASME B107.110